A destroyed Iran-aligned Houthi drone, is displayed at a news conference in Khobar, Saudi Arabia April 16, 2018.

Saudi-led coalition spokesman, Colonel Turki al-Malki, displays Iran-aligned Houthi drones, brought down April 11, over Jizan and Abha, during a news conference in Khobar, Saudi Arabia April 16, 2018.

Saudi media members take photos of Iran-aligned Houthi drones, brought down April 11 over Jizan and Abha, during a news conference in Khobar, Saudi Arabia April 16, 2018.

Image used for illustrative purpose. Saudi-led coalition spokesman, Colonel Turki al-Malki, speaks, where he displayed Iran-aligned Houthi drones, brought down April 11, over Jizan and Abha, during a news conference in Khobar, Saudi Arabia, April 16, 2018.

A Saudi man takes photos of Iran-aligned Houthi drones, brought down April 11 over Jizan and Abha, during a news conference in Khobar, Saudi Arabia, April 16, 2018.

Saudi-led coalition spokesman, Colonel Turki al-Malki (R), shows Iran-aligned Houthi drones, brought down April 11, over Jizan and Abha, during a news conference in Khobar, Saudi Arabia April 16, 2018.

A Saudi man takes photos of Iran-aligned Houthi drones, brought down April 11 over Jizan and Abha, during a news conference in Khobar, Saudi Arabia, April 16, 2018. REUTERS/Hamad I Mohammed

Saudi-led coalition spokesman, Colonel Turki al-Malki, speaks, as he displays Iran-aligned Houthi drones, brought down April 11, over Jizan and Abha, during a news conference in Khobar, Saudi Arabia April 16, 2018.

Saudi-led coalition spokesman, Colonel Turki al-Malki, displays Iran-aligned Houthi drones, brought down April 11, over Jizan and Abha, during a news conference in Khobar, Saudi Arabia April 16, 2018.

A Saudi woman takes photos of Iran-aligned Houthi drones, brought down April 11 over Jizan and Abha, during a news conference in Khobar, Saudi Arabia April 16, 2018.